/Engine/Source/Editor/CurveEditor/Public/Tree/CurveEditorTree.h
Struct that represents an event for when the tree has been changed. This type carefully only allowsFScopedCurveEditorTreeEventGuardto broadcast the event, and makes special checks for re-entrancy
struct FCurveEditorTreeEvents
FCurveEditorTre...
OnFiltersChanged
Event that is broadcast when any kind of filtering has changed (ie active state, filters being added/removed etc)
FCurveEditorTre...
OnItemsChanged
Event that is broadcast when the tree items container has changed
FCurveEditorTre...
OnSelectionChanged
Event that is broadcast when the selection has changed